Home / 38,292.55-57,430.01-14,602.78

Finding the Fourth Proportional to 38,292.55, 57,430.01 and 14,602.78

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Solution

The fourth proportional to 38,292.55, 57,430.01 and 14,602.78 is: 21,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.55 : 57,430.01 = 14,602.78 : x
  2. Step 2: Convert to fraction form
    38,292.55/57,430.01 = 14,602.78/x
  3. Step 3: Cross multiply
    38,292.55x = 57,430.01 × 14,602.78
  4. Step 4: Simplify right side
    38,292.55x = 838,637,909.72
  5. Step 5: Solve for x
    x = 838,637,909.72/38,292.55
  6. Step 6: Final answer
    x = 21,900.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.