Home / 70,690.40-97,553.76-38,862.24

Finding the Fourth Proportional to 70,690.40, 97,553.76 and 38,862.24

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Solution

The fourth proportional to 70,690.40, 97,553.76 and 38,862.24 is: 53,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690.40 : 97,553.76 = 38,862.24 : x
  2. Step 2: Convert to fraction form
    70,690.40/97,553.76 = 38,862.24/x
  3. Step 3: Cross multiply
    70,690.40x = 97,553.76 × 38,862.24
  4. Step 4: Simplify right side
    70,690.40x = 3,791,157,634.02
  5. Step 5: Solve for x
    x = 3,791,157,634.02/70,690.40
  6. Step 6: Final answer
    x = 53,630.45

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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.