Home / 42,681.60-64,029.32-16,029.68

Finding the Fourth Proportional to 42,681.60, 64,029.32 and 16,029.68

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Solution

The fourth proportional to 42,681.60, 64,029.32 and 16,029.68 is: 24,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.60 : 64,029.32 = 16,029.68 : x
  2. Step 2: Convert to fraction form
    42,681.60/64,029.32 = 16,029.68/x
  3. Step 3: Cross multiply
    42,681.60x = 64,029.32 × 16,029.68
  4. Step 4: Simplify right side
    42,681.60x = 1,026,369,510.22
  5. Step 5: Solve for x
    x = 1,026,369,510.22/42,681.60
  6. Step 6: Final answer
    x = 24,047.12

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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.