Home / 31,513.02-43,483.95-18,084.84

Finding the Fourth Proportional to 31,513.02, 43,483.95 and 18,084.84

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Solution

The fourth proportional to 31,513.02, 43,483.95 and 18,084.84 is: 24,954.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.02 : 43,483.95 = 18,084.84 : x
  2. Step 2: Convert to fraction form
    31,513.02/43,483.95 = 18,084.84/x
  3. Step 3: Cross multiply
    31,513.02x = 43,483.95 × 18,084.84
  4. Step 4: Simplify right side
    31,513.02x = 786,400,278.32
  5. Step 5: Solve for x
    x = 786,400,278.32/31,513.02
  6. Step 6: Final answer
    x = 24,954.77

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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.