Home / 46,989.72-70,440-17,387.46

Finding the Fourth Proportional to 46,989.72, 70,440 and 17,387.46

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Solution

The fourth proportional to 46,989.72, 70,440 and 17,387.46 is: 26,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,989.72 : 70,440 = 17,387.46 : x
  2. Step 2: Convert to fraction form
    46,989.72/70,440 = 17,387.46/x
  3. Step 3: Cross multiply
    46,989.72x = 70,440 × 17,387.46
  4. Step 4: Simplify right side
    46,989.72x = 1,224,772,682.40
  5. Step 5: Solve for x
    x = 1,224,772,682.40/46,989.72
  6. Step 6: Final answer
    x = 26,064.69

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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.