Home / 45,988.02-68,971.10-12,707.35

Finding the Fourth Proportional to 45,988.02, 68,971.10 and 12,707.35

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Solution

The fourth proportional to 45,988.02, 68,971.10 and 12,707.35 is: 19,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988.02 : 68,971.10 = 12,707.35 : x
  2. Step 2: Convert to fraction form
    45,988.02/68,971.10 = 12,707.35/x
  3. Step 3: Cross multiply
    45,988.02x = 68,971.10 × 12,707.35
  4. Step 4: Simplify right side
    45,988.02x = 876,439,671.62
  5. Step 5: Solve for x
    x = 876,439,671.62/45,988.02
  6. Step 6: Final answer
    x = 19,058.00

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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.