Home / 37,432.19-51,655.65-20,436.77

Finding the Fourth Proportional to 37,432.19, 51,655.65 and 20,436.77

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Solution

The fourth proportional to 37,432.19, 51,655.65 and 20,436.77 is: 28,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.19 : 51,655.65 = 20,436.77 : x
  2. Step 2: Convert to fraction form
    37,432.19/51,655.65 = 20,436.77/x
  3. Step 3: Cross multiply
    37,432.19x = 51,655.65 × 20,436.77
  4. Step 4: Simplify right side
    37,432.19x = 1,055,674,638.25
  5. Step 5: Solve for x
    x = 1,055,674,638.25/37,432.19
  6. Step 6: Final answer
    x = 28,202.32

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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.