Home / 42,848.80-64,204.08-22,009.12

Finding the Fourth Proportional to 42,848.80, 64,204.08 and 22,009.12

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Solution

The fourth proportional to 42,848.80, 64,204.08 and 22,009.12 is: 32,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,848.80 : 64,204.08 = 22,009.12 : x
  2. Step 2: Convert to fraction form
    42,848.80/64,204.08 = 22,009.12/x
  3. Step 3: Cross multiply
    42,848.80x = 64,204.08 × 22,009.12
  4. Step 4: Simplify right side
    42,848.80x = 1,413,075,301.21
  5. Step 5: Solve for x
    x = 1,413,075,301.21/42,848.80
  6. Step 6: Final answer
    x = 32,978.18

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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.