Home / 30,884,438.32-42,620,575.08-17,133,402.88

Finding the Fourth Proportional to 30,884,438.32, 42,620,575.08 and 17,133,402.88

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Solution

The fourth proportional to 30,884,438.32, 42,620,575.08 and 17,133,402.88 is: 23,644,123.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884,438.32 : 42,620,575.08 = 17,133,402.88 : x
  2. Step 2: Convert to fraction form
    30,884,438.32/42,620,575.08 = 17,133,402.88/x
  3. Step 3: Cross multiply
    30,884,438.32x = 42,620,575.08 × 17,133,402.88
  4. Step 4: Simplify right side
    30,884,438.32x = 730,235,483,822,928.12
  5. Step 5: Solve for x
    x = 730,235,483,822,928.12/30,884,438.32
  6. Step 6: Final answer
    x = 23,644,123.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.