Home / 42,686.47-64,037.22-14,599.93

Finding the Fourth Proportional to 42,686.47, 64,037.22 and 14,599.93

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Solution

The fourth proportional to 42,686.47, 64,037.22 and 14,599.93 is: 21,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.47 : 64,037.22 = 14,599.93 : x
  2. Step 2: Convert to fraction form
    42,686.47/64,037.22 = 14,599.93/x
  3. Step 3: Cross multiply
    42,686.47x = 64,037.22 × 14,599.93
  4. Step 4: Simplify right side
    42,686.47x = 934,938,929.39
  5. Step 5: Solve for x
    x = 934,938,929.39/42,686.47
  6. Step 6: Final answer
    x = 21,902.47

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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.