Home / 64,917.15-97,430.40-25,502.55

Finding the Fourth Proportional to 64,917.15, 97,430.40 and 25,502.55

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Solution

The fourth proportional to 64,917.15, 97,430.40 and 25,502.55 is: 38,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,917.15 : 97,430.40 = 25,502.55 : x
  2. Step 2: Convert to fraction form
    64,917.15/97,430.40 = 25,502.55/x
  3. Step 3: Cross multiply
    64,917.15x = 97,430.40 × 25,502.55
  4. Step 4: Simplify right side
    64,917.15x = 2,484,723,647.52
  5. Step 5: Solve for x
    x = 2,484,723,647.52/64,917.15
  6. Step 6: Final answer
    x = 38,275.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.