Home / 35,405.64-48,859.56-19,491.12

Finding the Fourth Proportional to 35,405.64, 48,859.56 and 19,491.12

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Solution

The fourth proportional to 35,405.64, 48,859.56 and 19,491.12 is: 26,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.64 : 48,859.56 = 19,491.12 : x
  2. Step 2: Convert to fraction form
    35,405.64/48,859.56 = 19,491.12/x
  3. Step 3: Cross multiply
    35,405.64x = 48,859.56 × 19,491.12
  4. Step 4: Simplify right side
    35,405.64x = 952,327,547.11
  5. Step 5: Solve for x
    x = 952,327,547.11/35,405.64
  6. Step 6: Final answer
    x = 26,897.62

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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.