Home / 55,840.30-77,058.72-30,689.26

Finding the Fourth Proportional to 55,840.30, 77,058.72 and 30,689.26

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Solution

The fourth proportional to 55,840.30, 77,058.72 and 30,689.26 is: 42,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,840.30 : 77,058.72 = 30,689.26 : x
  2. Step 2: Convert to fraction form
    55,840.30/77,058.72 = 30,689.26/x
  3. Step 3: Cross multiply
    55,840.30x = 77,058.72 × 30,689.26
  4. Step 4: Simplify right side
    55,840.30x = 2,364,875,093.35
  5. Step 5: Solve for x
    x = 2,364,875,093.35/55,840.30
  6. Step 6: Final answer
    x = 42,350.69

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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.