Home / 56,113.39-77,436.03-30,619.18

Finding the Fourth Proportional to 56,113.39, 77,436.03 and 30,619.18

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Solution

The fourth proportional to 56,113.39, 77,436.03 and 30,619.18 is: 42,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.39 : 77,436.03 = 30,619.18 : x
  2. Step 2: Convert to fraction form
    56,113.39/77,436.03 = 30,619.18/x
  3. Step 3: Cross multiply
    56,113.39x = 77,436.03 × 30,619.18
  4. Step 4: Simplify right side
    56,113.39x = 2,371,027,741.06
  5. Step 5: Solve for x
    x = 2,371,027,741.06/56,113.39
  6. Step 6: Final answer
    x = 42,254.22

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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.