Home / 40,955.63-61,440.59-19,910.16

Finding the Fourth Proportional to 40,955.63, 61,440.59 and 19,910.16

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Solution

The fourth proportional to 40,955.63, 61,440.59 and 19,910.16 is: 29,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.63 : 61,440.59 = 19,910.16 : x
  2. Step 2: Convert to fraction form
    40,955.63/61,440.59 = 19,910.16/x
  3. Step 3: Cross multiply
    40,955.63x = 61,440.59 × 19,910.16
  4. Step 4: Simplify right side
    40,955.63x = 1,223,292,027.17
  5. Step 5: Solve for x
    x = 1,223,292,027.17/40,955.63
  6. Step 6: Final answer
    x = 29,868.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.