Home / 56,146.65-77,479.05-30,647.94

Finding the Fourth Proportional to 56,146.65, 77,479.05 and 30,647.94

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Solution

The fourth proportional to 56,146.65, 77,479.05 and 30,647.94 is: 42,292.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,146.65 : 77,479.05 = 30,647.94 : x
  2. Step 2: Convert to fraction form
    56,146.65/77,479.05 = 30,647.94/x
  3. Step 3: Cross multiply
    56,146.65x = 77,479.05 × 30,647.94
  4. Step 4: Simplify right side
    56,146.65x = 2,374,573,275.66
  5. Step 5: Solve for x
    x = 2,374,573,275.66/56,146.65
  6. Step 6: Final answer
    x = 42,292.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.