Home / 35,447.99-48,888.43-21,298.10

Finding the Fourth Proportional to 35,447.99, 48,888.43 and 21,298.10

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Solution

The fourth proportional to 35,447.99, 48,888.43 and 21,298.10 is: 29,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.99 : 48,888.43 = 21,298.10 : x
  2. Step 2: Convert to fraction form
    35,447.99/48,888.43 = 21,298.10/x
  3. Step 3: Cross multiply
    35,447.99x = 48,888.43 × 21,298.10
  4. Step 4: Simplify right side
    35,447.99x = 1,041,230,373.30
  5. Step 5: Solve for x
    x = 1,041,230,373.30/35,447.99
  6. Step 6: Final answer
    x = 29,373.47

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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.