Home / 51,541.56-77,663.48-42,386.66

Finding the Fourth Proportional to 51,541.56, 77,663.48 and 42,386.66

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Solution

The fourth proportional to 51,541.56, 77,663.48 and 42,386.66 is: 63,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.56 : 77,663.48 = 42,386.66 : x
  2. Step 2: Convert to fraction form
    51,541.56/77,663.48 = 42,386.66/x
  3. Step 3: Cross multiply
    51,541.56x = 77,663.48 × 42,386.66
  4. Step 4: Simplify right side
    51,541.56x = 3,291,894,920.93
  5. Step 5: Solve for x
    x = 3,291,894,920.93/51,541.56
  6. Step 6: Final answer
    x = 63,868.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.