Home / 61,549.08-84,881.35-40,340.04

Finding the Fourth Proportional to 61,549.08, 84,881.35 and 40,340.04

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Solution

The fourth proportional to 61,549.08, 84,881.35 and 40,340.04 is: 55,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,549.08 : 84,881.35 = 40,340.04 : x
  2. Step 2: Convert to fraction form
    61,549.08/84,881.35 = 40,340.04/x
  3. Step 3: Cross multiply
    61,549.08x = 84,881.35 × 40,340.04
  4. Step 4: Simplify right side
    61,549.08x = 3,424,117,054.25
  5. Step 5: Solve for x
    x = 3,424,117,054.25/61,549.08
  6. Step 6: Final answer
    x = 55,632.30

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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.