Home / 42,748.86-64,088.77-17,807.70

Finding the Fourth Proportional to 42,748.86, 64,088.77 and 17,807.70

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Solution

The fourth proportional to 42,748.86, 64,088.77 and 17,807.70 is: 26,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748.86 : 64,088.77 = 17,807.70 : x
  2. Step 2: Convert to fraction form
    42,748.86/64,088.77 = 17,807.70/x
  3. Step 3: Cross multiply
    42,748.86x = 64,088.77 × 17,807.70
  4. Step 4: Simplify right side
    42,748.86x = 1,141,273,458.23
  5. Step 5: Solve for x
    x = 1,141,273,458.23/42,748.86
  6. Step 6: Final answer
    x = 26,697.16

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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.