Home / 52,480.88-72,421.76-28,607.04

Finding the Fourth Proportional to 52,480.88, 72,421.76 and 28,607.04

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Solution

The fourth proportional to 52,480.88, 72,421.76 and 28,607.04 is: 39,476.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,480.88 : 72,421.76 = 28,607.04 : x
  2. Step 2: Convert to fraction form
    52,480.88/72,421.76 = 28,607.04/x
  3. Step 3: Cross multiply
    52,480.88x = 72,421.76 × 28,607.04
  4. Step 4: Simplify right side
    52,480.88x = 2,071,772,185.19
  5. Step 5: Solve for x
    x = 2,071,772,185.19/52,480.88
  6. Step 6: Final answer
    x = 39,476.70

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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.