Home / 42,735-64,094.58-11,566.20

Finding the Fourth Proportional to 42,735, 64,094.58 and 11,566.20

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Solution

The fourth proportional to 42,735, 64,094.58 and 11,566.20 is: 17,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,735 : 64,094.58 = 11,566.20 : x
  2. Step 2: Convert to fraction form
    42,735/64,094.58 = 11,566.20/x
  3. Step 3: Cross multiply
    42,735x = 64,094.58 × 11,566.20
  4. Step 4: Simplify right side
    42,735x = 741,330,731.20
  5. Step 5: Solve for x
    x = 741,330,731.20/42,735
  6. Step 6: Final answer
    x = 17,347.16

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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.