Home / 70,569.36-97,387.56-38,739.96

Finding the Fourth Proportional to 70,569.36, 97,387.56 and 38,739.96

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Solution

The fourth proportional to 70,569.36, 97,387.56 and 38,739.96 is: 53,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.36 : 97,387.56 = 38,739.96 : x
  2. Step 2: Convert to fraction form
    70,569.36/97,387.56 = 38,739.96/x
  3. Step 3: Cross multiply
    70,569.36x = 97,387.56 × 38,739.96
  4. Step 4: Simplify right side
    70,569.36x = 3,772,790,178.90
  5. Step 5: Solve for x
    x = 3,772,790,178.90/70,569.36
  6. Step 6: Final answer
    x = 53,462.16

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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.