Home / 42,844.64-64,269.95-13,258.58

Finding the Fourth Proportional to 42,844.64, 64,269.95 and 13,258.58

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Solution

The fourth proportional to 42,844.64, 64,269.95 and 13,258.58 is: 19,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,844.64 : 64,269.95 = 13,258.58 : x
  2. Step 2: Convert to fraction form
    42,844.64/64,269.95 = 13,258.58/x
  3. Step 3: Cross multiply
    42,844.64x = 64,269.95 × 13,258.58
  4. Step 4: Simplify right side
    42,844.64x = 852,127,886.03
  5. Step 5: Solve for x
    x = 852,127,886.03/42,844.64
  6. Step 6: Final answer
    x = 19,888.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.