Home / 61,228.09-84,498.54-40,775.08

Finding the Fourth Proportional to 61,228.09, 84,498.54 and 40,775.08

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Solution

The fourth proportional to 61,228.09, 84,498.54 and 40,775.08 is: 56,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,228.09 : 84,498.54 = 40,775.08 : x
  2. Step 2: Convert to fraction form
    61,228.09/84,498.54 = 40,775.08/x
  3. Step 3: Cross multiply
    61,228.09x = 84,498.54 × 40,775.08
  4. Step 4: Simplify right side
    61,228.09x = 3,445,434,728.38
  5. Step 5: Solve for x
    x = 3,445,434,728.38/61,228.09
  6. Step 6: Final answer
    x = 56,272.12

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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.