Home / 52,515.78-72,470.07-28,642.92

Finding the Fourth Proportional to 52,515.78, 72,470.07 and 28,642.92

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Solution

The fourth proportional to 52,515.78, 72,470.07 and 28,642.92 is: 39,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.78 : 72,470.07 = 28,642.92 : x
  2. Step 2: Convert to fraction form
    52,515.78/72,470.07 = 28,642.92/x
  3. Step 3: Cross multiply
    52,515.78x = 72,470.07 × 28,642.92
  4. Step 4: Simplify right side
    52,515.78x = 2,075,754,417.40
  5. Step 5: Solve for x
    x = 2,075,754,417.40/52,515.78
  6. Step 6: Final answer
    x = 39,526.30

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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.