Home / 62,430.50-86,154.10-34,136.40

Finding the Fourth Proportional to 62,430.50, 86,154.10 and 34,136.40

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Solution

The fourth proportional to 62,430.50, 86,154.10 and 34,136.40 is: 47,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.50 : 86,154.10 = 34,136.40 : x
  2. Step 2: Convert to fraction form
    62,430.50/86,154.10 = 34,136.40/x
  3. Step 3: Cross multiply
    62,430.50x = 86,154.10 × 34,136.40
  4. Step 4: Simplify right side
    62,430.50x = 2,940,990,819.24
  5. Step 5: Solve for x
    x = 2,940,990,819.24/62,430.50
  6. Step 6: Final answer
    x = 47,108.24

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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.