Home / 45,041.86-67,570.08-18,747.64

Finding the Fourth Proportional to 45,041.86, 67,570.08 and 18,747.64

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Solution

The fourth proportional to 45,041.86, 67,570.08 and 18,747.64 is: 28,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.86 : 67,570.08 = 18,747.64 : x
  2. Step 2: Convert to fraction form
    45,041.86/67,570.08 = 18,747.64/x
  3. Step 3: Cross multiply
    45,041.86x = 67,570.08 × 18,747.64
  4. Step 4: Simplify right side
    45,041.86x = 1,266,779,534.61
  5. Step 5: Solve for x
    x = 1,266,779,534.61/45,041.86
  6. Step 6: Final answer
    x = 28,124.49

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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.