Home / 52,258.13-72,116.60-28,384.79

Finding the Fourth Proportional to 52,258.13, 72,116.60 and 28,384.79

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Solution

The fourth proportional to 52,258.13, 72,116.60 and 28,384.79 is: 39,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.13 : 72,116.60 = 28,384.79 : x
  2. Step 2: Convert to fraction form
    52,258.13/72,116.60 = 28,384.79/x
  3. Step 3: Cross multiply
    52,258.13x = 72,116.60 × 28,384.79
  4. Step 4: Simplify right side
    52,258.13x = 2,047,014,546.51
  5. Step 5: Solve for x
    x = 2,047,014,546.51/52,258.13
  6. Step 6: Final answer
    x = 39,171.22

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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.