Home / 56,931.06-85,448.67-28,870.48

Finding the Fourth Proportional to 56,931.06, 85,448.67 and 28,870.48

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Solution

The fourth proportional to 56,931.06, 85,448.67 and 28,870.48 is: 43,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.06 : 85,448.67 = 28,870.48 : x
  2. Step 2: Convert to fraction form
    56,931.06/85,448.67 = 28,870.48/x
  3. Step 3: Cross multiply
    56,931.06x = 85,448.67 × 28,870.48
  4. Step 4: Simplify right side
    56,931.06x = 2,466,944,118.26
  5. Step 5: Solve for x
    x = 2,466,944,118.26/56,931.06
  6. Step 6: Final answer
    x = 43,332.13

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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.