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Finding the Fourth Proportional to 60,020.16, 90,030.28 and 15,646.80

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Solution

The fourth proportional to 60,020.16, 90,030.28 and 15,646.80 is: 23,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,020.16 : 90,030.28 = 15,646.80 : x
  2. Step 2: Convert to fraction form
    60,020.16/90,030.28 = 15,646.80/x
  3. Step 3: Cross multiply
    60,020.16x = 90,030.28 × 15,646.80
  4. Step 4: Simplify right side
    60,020.16x = 1,408,685,785.10
  5. Step 5: Solve for x
    x = 1,408,685,785.10/60,020.16
  6. Step 6: Final answer
    x = 23,470.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.