Home / 51,587.84-77,381.85-14,148.25

Finding the Fourth Proportional to 51,587.84, 77,381.85 and 14,148.25

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Solution

The fourth proportional to 51,587.84, 77,381.85 and 14,148.25 is: 21,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.84 : 77,381.85 = 14,148.25 : x
  2. Step 2: Convert to fraction form
    51,587.84/77,381.85 = 14,148.25/x
  3. Step 3: Cross multiply
    51,587.84x = 77,381.85 × 14,148.25
  4. Step 4: Simplify right side
    51,587.84x = 1,094,817,759.26
  5. Step 5: Solve for x
    x = 1,094,817,759.26/51,587.84
  6. Step 6: Final answer
    x = 21,222.40

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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.