Home / 52,478.84-72,420.45-28,606.52

Finding the Fourth Proportional to 52,478.84, 72,420.45 and 28,606.52

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Solution

The fourth proportional to 52,478.84, 72,420.45 and 28,606.52 is: 39,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.84 : 72,420.45 = 28,606.52 : x
  2. Step 2: Convert to fraction form
    52,478.84/72,420.45 = 28,606.52/x
  3. Step 3: Cross multiply
    52,478.84x = 72,420.45 × 28,606.52
  4. Step 4: Simplify right side
    52,478.84x = 2,071,696,689.23
  5. Step 5: Solve for x
    x = 2,071,696,689.23/52,478.84
  6. Step 6: Final answer
    x = 39,476.80

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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.