Home / 34,720.02-47,913.75-18,804.42

Finding the Fourth Proportional to 34,720.02, 47,913.75 and 18,804.42

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Solution

The fourth proportional to 34,720.02, 47,913.75 and 18,804.42 is: 25,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.02 : 47,913.75 = 18,804.42 : x
  2. Step 2: Convert to fraction form
    34,720.02/47,913.75 = 18,804.42/x
  3. Step 3: Cross multiply
    34,720.02x = 47,913.75 × 18,804.42
  4. Step 4: Simplify right side
    34,720.02x = 900,990,278.78
  5. Step 5: Solve for x
    x = 900,990,278.78/34,720.02
  6. Step 6: Final answer
    x = 25,950.17

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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.