Home / 45,041.83-67,570.08-13,877.08

Finding the Fourth Proportional to 45,041.83, 67,570.08 and 13,877.08

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Solution

The fourth proportional to 45,041.83, 67,570.08 and 13,877.08 is: 20,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,041.83 : 67,570.08 = 13,877.08 : x
  2. Step 2: Convert to fraction form
    45,041.83/67,570.08 = 13,877.08/x
  3. Step 3: Cross multiply
    45,041.83x = 67,570.08 × 13,877.08
  4. Step 4: Simplify right side
    45,041.83x = 937,675,405.77
  5. Step 5: Solve for x
    x = 937,675,405.77/45,041.83
  6. Step 6: Final answer
    x = 20,817.88

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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.