Home / 56,482.77-77,946.32-31,332.27

Finding the Fourth Proportional to 56,482.77, 77,946.32 and 31,332.27

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Solution

The fourth proportional to 56,482.77, 77,946.32 and 31,332.27 is: 43,238.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.77 : 77,946.32 = 31,332.27 : x
  2. Step 2: Convert to fraction form
    56,482.77/77,946.32 = 31,332.27/x
  3. Step 3: Cross multiply
    56,482.77x = 77,946.32 × 31,332.27
  4. Step 4: Simplify right side
    56,482.77x = 2,442,234,987.09
  5. Step 5: Solve for x
    x = 2,442,234,987.09/56,482.77
  6. Step 6: Final answer
    x = 43,238.58

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1.5x scale

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.