Home / 51,386.59-77,081.45-13,946.53

Finding the Fourth Proportional to 51,386.59, 77,081.45 and 13,946.53

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Solution

The fourth proportional to 51,386.59, 77,081.45 and 13,946.53 is: 20,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,386.59 : 77,081.45 = 13,946.53 : x
  2. Step 2: Convert to fraction form
    51,386.59/77,081.45 = 13,946.53/x
  3. Step 3: Cross multiply
    51,386.59x = 77,081.45 × 13,946.53
  4. Step 4: Simplify right side
    51,386.59x = 1,075,018,754.87
  5. Step 5: Solve for x
    x = 1,075,018,754.87/51,386.59
  6. Step 6: Final answer
    x = 20,920.22

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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.