Home / 47,856.81-66,042.40-26,640.18

Finding the Fourth Proportional to 47,856.81, 66,042.40 and 26,640.18

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Solution

The fourth proportional to 47,856.81, 66,042.40 and 26,640.18 is: 36,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,856.81 : 66,042.40 = 26,640.18 : x
  2. Step 2: Convert to fraction form
    47,856.81/66,042.40 = 26,640.18/x
  3. Step 3: Cross multiply
    47,856.81x = 66,042.40 × 26,640.18
  4. Step 4: Simplify right side
    47,856.81x = 1,759,381,423.63
  5. Step 5: Solve for x
    x = 1,759,381,423.63/47,856.81
  6. Step 6: Final answer
    x = 36,763.45

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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.