Home / 38,526.50-53,166.57-20,862.50

Finding the Fourth Proportional to 38,526.50, 53,166.57 and 20,862.50

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Solution

The fourth proportional to 38,526.50, 53,166.57 and 20,862.50 is: 28,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,526.50 : 53,166.57 = 20,862.50 : x
  2. Step 2: Convert to fraction form
    38,526.50/53,166.57 = 20,862.50/x
  3. Step 3: Cross multiply
    38,526.50x = 53,166.57 × 20,862.50
  4. Step 4: Simplify right side
    38,526.50x = 1,109,187,566.63
  5. Step 5: Solve for x
    x = 1,109,187,566.63/38,526.50
  6. Step 6: Final answer
    x = 28,790.25

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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.