Home / 70,257.72-96,957.06-38,428.68

Finding the Fourth Proportional to 70,257.72, 96,957.06 and 38,428.68

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Solution

The fourth proportional to 70,257.72, 96,957.06 and 38,428.68 is: 53,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,257.72 : 96,957.06 = 38,428.68 : x
  2. Step 2: Convert to fraction form
    70,257.72/96,957.06 = 38,428.68/x
  3. Step 3: Cross multiply
    70,257.72x = 96,957.06 × 38,428.68
  4. Step 4: Simplify right side
    70,257.72x = 3,725,931,832.48
  5. Step 5: Solve for x
    x = 3,725,931,832.48/70,257.72
  6. Step 6: Final answer
    x = 53,032.35

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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.