Home / 70,538.46-97,342.80-38,707.89

Finding the Fourth Proportional to 70,538.46, 97,342.80 and 38,707.89

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Solution

The fourth proportional to 70,538.46, 97,342.80 and 38,707.89 is: 53,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,538.46 : 97,342.80 = 38,707.89 : x
  2. Step 2: Convert to fraction form
    70,538.46/97,342.80 = 38,707.89/x
  3. Step 3: Cross multiply
    70,538.46x = 97,342.80 × 38,707.89
  4. Step 4: Simplify right side
    70,538.46x = 3,767,934,394.69
  5. Step 5: Solve for x
    x = 3,767,934,394.69/70,538.46
  6. Step 6: Final answer
    x = 53,416.74

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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.