Home / 52,421.64-72,341.46-28,548.30

Finding the Fourth Proportional to 52,421.64, 72,341.46 and 28,548.30

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Solution

The fourth proportional to 52,421.64, 72,341.46 and 28,548.30 is: 39,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421.64 : 72,341.46 = 28,548.30 : x
  2. Step 2: Convert to fraction form
    52,421.64/72,341.46 = 28,548.30/x
  3. Step 3: Cross multiply
    52,421.64x = 72,341.46 × 28,548.30
  4. Step 4: Simplify right side
    52,421.64x = 2,065,225,702.52
  5. Step 5: Solve for x
    x = 2,065,225,702.52/52,421.64
  6. Step 6: Final answer
    x = 39,396.43

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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.