Home / 55,772.16-76,966.08-30,621.84

Finding the Fourth Proportional to 55,772.16, 76,966.08 and 30,621.84

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Solution

The fourth proportional to 55,772.16, 76,966.08 and 30,621.84 is: 42,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.16 : 76,966.08 = 30,621.84 : x
  2. Step 2: Convert to fraction form
    55,772.16/76,966.08 = 30,621.84/x
  3. Step 3: Cross multiply
    55,772.16x = 76,966.08 × 30,621.84
  4. Step 4: Simplify right side
    55,772.16x = 2,356,842,987.19
  5. Step 5: Solve for x
    x = 2,356,842,987.19/55,772.16
  6. Step 6: Final answer
    x = 42,258.41

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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.