Home / 63,071.08-86,988.86-40,412.18

Finding the Fourth Proportional to 63,071.08, 86,988.86 and 40,412.18

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Solution

The fourth proportional to 63,071.08, 86,988.86 and 40,412.18 is: 55,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,071.08 : 86,988.86 = 40,412.18 : x
  2. Step 2: Convert to fraction form
    63,071.08/86,988.86 = 40,412.18/x
  3. Step 3: Cross multiply
    63,071.08x = 86,988.86 × 40,412.18
  4. Step 4: Simplify right side
    63,071.08x = 3,515,409,468.31
  5. Step 5: Solve for x
    x = 3,515,409,468.31/63,071.08
  6. Step 6: Final answer
    x = 55,737.26

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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.