Home / 35,718.30-49,291.60-19,803.10

Finding the Fourth Proportional to 35,718.30, 49,291.60 and 19,803.10

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Solution

The fourth proportional to 35,718.30, 49,291.60 and 19,803.10 is: 27,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.30 : 49,291.60 = 19,803.10 : x
  2. Step 2: Convert to fraction form
    35,718.30/49,291.60 = 19,803.10/x
  3. Step 3: Cross multiply
    35,718.30x = 49,291.60 × 19,803.10
  4. Step 4: Simplify right side
    35,718.30x = 976,126,483.96
  5. Step 5: Solve for x
    x = 976,126,483.96/35,718.30
  6. Step 6: Final answer
    x = 27,328.47

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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.