Home / 70,749.24-97,631.95-38,918.13

Finding the Fourth Proportional to 70,749.24, 97,631.95 and 38,918.13

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Solution

The fourth proportional to 70,749.24, 97,631.95 and 38,918.13 is: 53,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,749.24 : 97,631.95 = 38,918.13 : x
  2. Step 2: Convert to fraction form
    70,749.24/97,631.95 = 38,918.13/x
  3. Step 3: Cross multiply
    70,749.24x = 97,631.95 × 38,918.13
  4. Step 4: Simplify right side
    70,749.24x = 3,799,652,922.25
  5. Step 5: Solve for x
    x = 3,799,652,922.25/70,749.24
  6. Step 6: Final answer
    x = 53,705.92

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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.