Home / 62,213.13-93,319.70-20,660.13

Finding the Fourth Proportional to 62,213.13, 93,319.70 and 20,660.13

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Solution

The fourth proportional to 62,213.13, 93,319.70 and 20,660.13 is: 30,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,213.13 : 93,319.70 = 20,660.13 : x
  2. Step 2: Convert to fraction form
    62,213.13/93,319.70 = 20,660.13/x
  3. Step 3: Cross multiply
    62,213.13x = 93,319.70 × 20,660.13
  4. Step 4: Simplify right side
    62,213.13x = 1,927,997,030.26
  5. Step 5: Solve for x
    x = 1,927,997,030.26/62,213.13
  6. Step 6: Final answer
    x = 30,990.20

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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.