Home / 56,726.79-85,094.10-19,271.58

Finding the Fourth Proportional to 56,726.79, 85,094.10 and 19,271.58

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Solution

The fourth proportional to 56,726.79, 85,094.10 and 19,271.58 is: 28,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.79 : 85,094.10 = 19,271.58 : x
  2. Step 2: Convert to fraction form
    56,726.79/85,094.10 = 19,271.58/x
  3. Step 3: Cross multiply
    56,726.79x = 85,094.10 × 19,271.58
  4. Step 4: Simplify right side
    56,726.79x = 1,639,897,755.68
  5. Step 5: Solve for x
    x = 1,639,897,755.68/56,726.79
  6. Step 6: Final answer
    x = 28,908.70

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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.