Home / 70,569.92-97,386.12-38,739.36

Finding the Fourth Proportional to 70,569.92, 97,386.12 and 38,739.36

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Solution

The fourth proportional to 70,569.92, 97,386.12 and 38,739.36 is: 53,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569.92 : 97,386.12 = 38,739.36 : x
  2. Step 2: Convert to fraction form
    70,569.92/97,386.12 = 38,739.36/x
  3. Step 3: Cross multiply
    70,569.92x = 97,386.12 × 38,739.36
  4. Step 4: Simplify right side
    70,569.92x = 3,772,675,961.68
  5. Step 5: Solve for x
    x = 3,772,675,961.68/70,569.92
  6. Step 6: Final answer
    x = 53,460.11

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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.