Home / 30,630.08-42,289.08-23,903.84

Finding the Fourth Proportional to 30,630.08, 42,289.08 and 23,903.84

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Solution

The fourth proportional to 30,630.08, 42,289.08 and 23,903.84 is: 33,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630.08 : 42,289.08 = 23,903.84 : x
  2. Step 2: Convert to fraction form
    30,630.08/42,289.08 = 23,903.84/x
  3. Step 3: Cross multiply
    30,630.08x = 42,289.08 × 23,903.84
  4. Step 4: Simplify right side
    30,630.08x = 1,010,871,402.07
  5. Step 5: Solve for x
    x = 1,010,871,402.07/30,630.08
  6. Step 6: Final answer
    x = 33,002.57

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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.