Home / 70,838.60-97,753.76-39,001.55

Finding the Fourth Proportional to 70,838.60, 97,753.76 and 39,001.55

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Solution

The fourth proportional to 70,838.60, 97,753.76 and 39,001.55 is: 53,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,838.60 : 97,753.76 = 39,001.55 : x
  2. Step 2: Convert to fraction form
    70,838.60/97,753.76 = 39,001.55/x
  3. Step 3: Cross multiply
    70,838.60x = 97,753.76 × 39,001.55
  4. Step 4: Simplify right side
    70,838.60x = 3,812,548,280.36
  5. Step 5: Solve for x
    x = 3,812,548,280.36/70,838.60
  6. Step 6: Final answer
    x = 53,820.21

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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.