Home / 34,386.55-47,455.72-19,280.18

Finding the Fourth Proportional to 34,386.55, 47,455.72 and 19,280.18

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Solution

The fourth proportional to 34,386.55, 47,455.72 and 19,280.18 is: 26,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.55 : 47,455.72 = 19,280.18 : x
  2. Step 2: Convert to fraction form
    34,386.55/47,455.72 = 19,280.18/x
  3. Step 3: Cross multiply
    34,386.55x = 47,455.72 × 19,280.18
  4. Step 4: Simplify right side
    34,386.55x = 914,954,894.07
  5. Step 5: Solve for x
    x = 914,954,894.07/34,386.55
  6. Step 6: Final answer
    x = 26,607.93

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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.