Home / 70,580.16-97,390.08-38,750.40

Finding the Fourth Proportional to 70,580.16, 97,390.08 and 38,750.40

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Solution

The fourth proportional to 70,580.16, 97,390.08 and 38,750.40 is: 53,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.16 : 97,390.08 = 38,750.40 : x
  2. Step 2: Convert to fraction form
    70,580.16/97,390.08 = 38,750.40/x
  3. Step 3: Cross multiply
    70,580.16x = 97,390.08 × 38,750.40
  4. Step 4: Simplify right side
    70,580.16x = 3,773,904,556.03
  5. Step 5: Solve for x
    x = 3,773,904,556.03/70,580.16
  6. Step 6: Final answer
    x = 53,469.76

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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.