Home / 63,421.04-87,526.02-35,129.36

Finding the Fourth Proportional to 63,421.04, 87,526.02 and 35,129.36

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Solution

The fourth proportional to 63,421.04, 87,526.02 and 35,129.36 is: 48,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.04 : 87,526.02 = 35,129.36 : x
  2. Step 2: Convert to fraction form
    63,421.04/87,526.02 = 35,129.36/x
  3. Step 3: Cross multiply
    63,421.04x = 87,526.02 × 35,129.36
  4. Step 4: Simplify right side
    63,421.04x = 3,074,733,065.95
  5. Step 5: Solve for x
    x = 3,074,733,065.95/63,421.04
  6. Step 6: Final answer
    x = 48,481.28

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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.