Home / 56,273.13-77,656.64-31,122.63

Finding the Fourth Proportional to 56,273.13, 77,656.64 and 31,122.63

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Solution

The fourth proportional to 56,273.13, 77,656.64 and 31,122.63 is: 42,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.13 : 77,656.64 = 31,122.63 : x
  2. Step 2: Convert to fraction form
    56,273.13/77,656.64 = 31,122.63/x
  3. Step 3: Cross multiply
    56,273.13x = 77,656.64 × 31,122.63
  4. Step 4: Simplify right side
    56,273.13x = 2,416,878,718.15
  5. Step 5: Solve for x
    x = 2,416,878,718.15/56,273.13
  6. Step 6: Final answer
    x = 42,949.07

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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.