Home / 42,926.86-64,389.61-11,762.11

Finding the Fourth Proportional to 42,926.86, 64,389.61 and 11,762.11

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Solution

The fourth proportional to 42,926.86, 64,389.61 and 11,762.11 is: 17,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,926.86 : 64,389.61 = 11,762.11 : x
  2. Step 2: Convert to fraction form
    42,926.86/64,389.61 = 11,762.11/x
  3. Step 3: Cross multiply
    42,926.86x = 64,389.61 × 11,762.11
  4. Step 4: Simplify right side
    42,926.86x = 757,357,737.79
  5. Step 5: Solve for x
    x = 757,357,737.79/42,926.86
  6. Step 6: Final answer
    x = 17,642.98

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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.