Home / 56,026.02-77,209.47-40,082.79

Finding the Fourth Proportional to 56,026.02, 77,209.47 and 40,082.79

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Solution

The fourth proportional to 56,026.02, 77,209.47 and 40,082.79 is: 55,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,026.02 : 77,209.47 = 40,082.79 : x
  2. Step 2: Convert to fraction form
    56,026.02/77,209.47 = 40,082.79/x
  3. Step 3: Cross multiply
    56,026.02x = 77,209.47 × 40,082.79
  4. Step 4: Simplify right side
    56,026.02x = 3,094,770,972.02
  5. Step 5: Solve for x
    x = 3,094,770,972.02/56,026.02
  6. Step 6: Final answer
    x = 55,238.10

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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.