Home / 42,897.78-64,343.85-14,818.24

Finding the Fourth Proportional to 42,897.78, 64,343.85 and 14,818.24

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Solution

The fourth proportional to 42,897.78, 64,343.85 and 14,818.24 is: 22,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.78 : 64,343.85 = 14,818.24 : x
  2. Step 2: Convert to fraction form
    42,897.78/64,343.85 = 14,818.24/x
  3. Step 3: Cross multiply
    42,897.78x = 64,343.85 × 14,818.24
  4. Step 4: Simplify right side
    42,897.78x = 953,462,395.40
  5. Step 5: Solve for x
    x = 953,462,395.40/42,897.78
  6. Step 6: Final answer
    x = 22,226.38

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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.