Home / 61,785.47-85,261.65-33,490.55

Finding the Fourth Proportional to 61,785.47, 85,261.65 and 33,490.55

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Solution

The fourth proportional to 61,785.47, 85,261.65 and 33,490.55 is: 46,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.47 : 85,261.65 = 33,490.55 : x
  2. Step 2: Convert to fraction form
    61,785.47/85,261.65 = 33,490.55/x
  3. Step 3: Cross multiply
    61,785.47x = 85,261.65 × 33,490.55
  4. Step 4: Simplify right side
    61,785.47x = 2,855,459,552.41
  5. Step 5: Solve for x
    x = 2,855,459,552.41/61,785.47
  6. Step 6: Final answer
    x = 46,215.71

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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.