Home / 30,486,432.08-42,070,187.76-17,255,325.08

Finding the Fourth Proportional to 30,486,432.08, 42,070,187.76 and 17,255,325.08

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Solution

The fourth proportional to 30,486,432.08, 42,070,187.76 and 17,255,325.08 is: 23,811,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486,432.08 : 42,070,187.76 = 17,255,325.08 : x
  2. Step 2: Convert to fraction form
    30,486,432.08/42,070,187.76 = 17,255,325.08/x
  3. Step 3: Cross multiply
    30,486,432.08x = 42,070,187.76 × 17,255,325.08
  4. Step 4: Simplify right side
    30,486,432.08x = 725,934,765,975,436.88
  5. Step 5: Solve for x
    x = 725,934,765,975,436.88/30,486,432.08
  6. Step 6: Final answer
    x = 23,811,732.51

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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.