Home / 56,345.84-77,756.97-30,851.74

Finding the Fourth Proportional to 56,345.84, 77,756.97 and 30,851.74

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Solution

The fourth proportional to 56,345.84, 77,756.97 and 30,851.74 is: 42,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.84 : 77,756.97 = 30,851.74 : x
  2. Step 2: Convert to fraction form
    56,345.84/77,756.97 = 30,851.74/x
  3. Step 3: Cross multiply
    56,345.84x = 77,756.97 × 30,851.74
  4. Step 4: Simplify right side
    56,345.84x = 2,398,937,472.98
  5. Step 5: Solve for x
    x = 2,398,937,472.98/56,345.84
  6. Step 6: Final answer
    x = 42,575.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.