Home / 34,870.08-48,121.66-18,955.60

Finding the Fourth Proportional to 34,870.08, 48,121.66 and 18,955.60

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Solution

The fourth proportional to 34,870.08, 48,121.66 and 18,955.60 is: 26,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,870.08 : 48,121.66 = 18,955.60 : x
  2. Step 2: Convert to fraction form
    34,870.08/48,121.66 = 18,955.60/x
  3. Step 3: Cross multiply
    34,870.08x = 48,121.66 × 18,955.60
  4. Step 4: Simplify right side
    34,870.08x = 912,174,938.30
  5. Step 5: Solve for x
    x = 912,174,938.30/34,870.08
  6. Step 6: Final answer
    x = 26,159.24

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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.