Home / 70,746.56-97,629.60-38,915.84

Finding the Fourth Proportional to 70,746.56, 97,629.60 and 38,915.84

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Solution

The fourth proportional to 70,746.56, 97,629.60 and 38,915.84 is: 53,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,746.56 : 97,629.60 = 38,915.84 : x
  2. Step 2: Convert to fraction form
    70,746.56/97,629.60 = 38,915.84/x
  3. Step 3: Cross multiply
    70,746.56x = 97,629.60 × 38,915.84
  4. Step 4: Simplify right side
    70,746.56x = 3,799,337,892.86
  5. Step 5: Solve for x
    x = 3,799,337,892.86/70,746.56
  6. Step 6: Final answer
    x = 53,703.50

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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.