Home / 35,406.12-48,862.20-19,490.40

Finding the Fourth Proportional to 35,406.12, 48,862.20 and 19,490.40

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Solution

The fourth proportional to 35,406.12, 48,862.20 and 19,490.40 is: 26,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.12 : 48,862.20 = 19,490.40 : x
  2. Step 2: Convert to fraction form
    35,406.12/48,862.20 = 19,490.40/x
  3. Step 3: Cross multiply
    35,406.12x = 48,862.20 × 19,490.40
  4. Step 4: Simplify right side
    35,406.12x = 952,343,822.88
  5. Step 5: Solve for x
    x = 952,343,822.88/35,406.12
  6. Step 6: Final answer
    x = 26,897.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.