Home / 66,445.02-91,658.25-40,956.93

Finding the Fourth Proportional to 66,445.02, 91,658.25 and 40,956.93

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Solution

The fourth proportional to 66,445.02, 91,658.25 and 40,956.93 is: 56,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.02 : 91,658.25 = 40,956.93 : x
  2. Step 2: Convert to fraction form
    66,445.02/91,658.25 = 40,956.93/x
  3. Step 3: Cross multiply
    66,445.02x = 91,658.25 × 40,956.93
  4. Step 4: Simplify right side
    66,445.02x = 3,754,040,529.17
  5. Step 5: Solve for x
    x = 3,754,040,529.17/66,445.02
  6. Step 6: Final answer
    x = 56,498.45

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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.