Home / 55,837.30-77,054.58-30,686.26

Finding the Fourth Proportional to 55,837.30, 77,054.58 and 30,686.26

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Solution

The fourth proportional to 55,837.30, 77,054.58 and 30,686.26 is: 42,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,837.30 : 77,054.58 = 30,686.26 : x
  2. Step 2: Convert to fraction form
    55,837.30/77,054.58 = 30,686.26/x
  3. Step 3: Cross multiply
    55,837.30x = 77,054.58 × 30,686.26
  4. Step 4: Simplify right side
    55,837.30x = 2,364,516,876.07
  5. Step 5: Solve for x
    x = 2,364,516,876.07/55,837.30
  6. Step 6: Final answer
    x = 42,346.55

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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.