Home / 70,344.40-97,077.72-38,513.52

Finding the Fourth Proportional to 70,344.40, 97,077.72 and 38,513.52

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Solution

The fourth proportional to 70,344.40, 97,077.72 and 38,513.52 is: 53,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.40 : 97,077.72 = 38,513.52 : x
  2. Step 2: Convert to fraction form
    70,344.40/97,077.72 = 38,513.52/x
  3. Step 3: Cross multiply
    70,344.40x = 97,077.72 × 38,513.52
  4. Step 4: Simplify right side
    70,344.40x = 3,738,804,032.82
  5. Step 5: Solve for x
    x = 3,738,804,032.82/70,344.40
  6. Step 6: Final answer
    x = 53,149.99

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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.