Home / 42,862.36-64,303.80-17,888.52

Finding the Fourth Proportional to 42,862.36, 64,303.80 and 17,888.52

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Solution

The fourth proportional to 42,862.36, 64,303.80 and 17,888.52 is: 26,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,862.36 : 64,303.80 = 17,888.52 : x
  2. Step 2: Convert to fraction form
    42,862.36/64,303.80 = 17,888.52/x
  3. Step 3: Cross multiply
    42,862.36x = 64,303.80 × 17,888.52
  4. Step 4: Simplify right side
    42,862.36x = 1,150,299,812.38
  5. Step 5: Solve for x
    x = 1,150,299,812.38/42,862.36
  6. Step 6: Final answer
    x = 26,837.06

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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.