Home / 31,557.05-47,077.15-30,699.06

Finding the Fourth Proportional to 31,557.05, 47,077.15 and 30,699.06

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Solution

The fourth proportional to 31,557.05, 47,077.15 and 30,699.06 is: 45,797.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.05 : 47,077.15 = 30,699.06 : x
  2. Step 2: Convert to fraction form
    31,557.05/47,077.15 = 30,699.06/x
  3. Step 3: Cross multiply
    31,557.05x = 47,077.15 × 30,699.06
  4. Step 4: Simplify right side
    31,557.05x = 1,445,224,252.48
  5. Step 5: Solve for x
    x = 1,445,224,252.48/31,557.05
  6. Step 6: Final answer
    x = 45,797.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.