Home / 42,679.08-64,032.32-17,731.08

Finding the Fourth Proportional to 42,679.08, 64,032.32 and 17,731.08

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Solution

The fourth proportional to 42,679.08, 64,032.32 and 17,731.08 is: 26,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679.08 : 64,032.32 = 17,731.08 : x
  2. Step 2: Convert to fraction form
    42,679.08/64,032.32 = 17,731.08/x
  3. Step 3: Cross multiply
    42,679.08x = 64,032.32 × 17,731.08
  4. Step 4: Simplify right side
    42,679.08x = 1,135,362,188.51
  5. Step 5: Solve for x
    x = 1,135,362,188.51/42,679.08
  6. Step 6: Final answer
    x = 26,602.31

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1.5x scale

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.