Home / 53,001.28-79,328.85-38,957.59

Finding the Fourth Proportional to 53,001.28, 79,328.85 and 38,957.59

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Solution

The fourth proportional to 53,001.28, 79,328.85 and 38,957.59 is: 58,309.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.28 : 79,328.85 = 38,957.59 : x
  2. Step 2: Convert to fraction form
    53,001.28/79,328.85 = 38,957.59/x
  3. Step 3: Cross multiply
    53,001.28x = 79,328.85 × 38,957.59
  4. Step 4: Simplify right side
    53,001.28x = 3,090,460,813.47
  5. Step 5: Solve for x
    x = 3,090,460,813.47/53,001.28
  6. Step 6: Final answer
    x = 58,309.17

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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.