Home / 53,001.28-79,328.84-38,957.60

Finding the Fourth Proportional to 53,001.28, 79,328.84 and 38,957.60

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Solution

The fourth proportional to 53,001.28, 79,328.84 and 38,957.60 is: 58,309.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.28 : 79,328.84 = 38,957.60 : x
  2. Step 2: Convert to fraction form
    53,001.28/79,328.84 = 38,957.60/x
  3. Step 3: Cross multiply
    53,001.28x = 79,328.84 × 38,957.60
  4. Step 4: Simplify right side
    53,001.28x = 3,090,461,217.18
  5. Step 5: Solve for x
    x = 3,090,461,217.18/53,001.28
  6. Step 6: Final answer
    x = 58,309.18

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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.