Home / 51,587.67-77,393.13-18,307.69

Finding the Fourth Proportional to 51,587.67, 77,393.13 and 18,307.69

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Solution

The fourth proportional to 51,587.67, 77,393.13 and 18,307.69 is: 27,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.67 : 77,393.13 = 18,307.69 : x
  2. Step 2: Convert to fraction form
    51,587.67/77,393.13 = 18,307.69/x
  3. Step 3: Cross multiply
    51,587.67x = 77,393.13 × 18,307.69
  4. Step 4: Simplify right side
    51,587.67x = 1,416,889,432.17
  5. Step 5: Solve for x
    x = 1,416,889,432.17/51,587.67
  6. Step 6: Final answer
    x = 27,465.66

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1.5x scale

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.