Home / 44,654.48-66,983.34-13,490

Finding the Fourth Proportional to 44,654.48, 66,983.34 and 13,490

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Solution

The fourth proportional to 44,654.48, 66,983.34 and 13,490 is: 20,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,654.48 : 66,983.34 = 13,490 : x
  2. Step 2: Convert to fraction form
    44,654.48/66,983.34 = 13,490/x
  3. Step 3: Cross multiply
    44,654.48x = 66,983.34 × 13,490
  4. Step 4: Simplify right side
    44,654.48x = 903,605,256.60
  5. Step 5: Solve for x
    x = 903,605,256.60/44,654.48
  6. Step 6: Final answer
    x = 20,235.49

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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.