Home / 56,615.08-78,130.02-31,464.04

Finding the Fourth Proportional to 56,615.08, 78,130.02 and 31,464.04

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Solution

The fourth proportional to 56,615.08, 78,130.02 and 31,464.04 is: 43,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.08 : 78,130.02 = 31,464.04 : x
  2. Step 2: Convert to fraction form
    56,615.08/78,130.02 = 31,464.04/x
  3. Step 3: Cross multiply
    56,615.08x = 78,130.02 × 31,464.04
  4. Step 4: Simplify right side
    56,615.08x = 2,458,286,074.48
  5. Step 5: Solve for x
    x = 2,458,286,074.48/56,615.08
  6. Step 6: Final answer
    x = 43,421.05

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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.