Home / 56,360.68-77,780.08-31,210.18

Finding the Fourth Proportional to 56,360.68, 77,780.08 and 31,210.18

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Solution

The fourth proportional to 56,360.68, 77,780.08 and 31,210.18 is: 43,071.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.68 : 77,780.08 = 31,210.18 : x
  2. Step 2: Convert to fraction form
    56,360.68/77,780.08 = 31,210.18/x
  3. Step 3: Cross multiply
    56,360.68x = 77,780.08 × 31,210.18
  4. Step 4: Simplify right side
    56,360.68x = 2,427,530,297.21
  5. Step 5: Solve for x
    x = 2,427,530,297.21/56,360.68
  6. Step 6: Final answer
    x = 43,071.35

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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.