Home / 54,831.98-75,666.48-30,957.24

Finding the Fourth Proportional to 54,831.98, 75,666.48 and 30,957.24

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Solution

The fourth proportional to 54,831.98, 75,666.48 and 30,957.24 is: 42,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.98 : 75,666.48 = 30,957.24 : x
  2. Step 2: Convert to fraction form
    54,831.98/75,666.48 = 30,957.24/x
  3. Step 3: Cross multiply
    54,831.98x = 75,666.48 × 30,957.24
  4. Step 4: Simplify right side
    54,831.98x = 2,342,425,381.32
  5. Step 5: Solve for x
    x = 2,342,425,381.32/54,831.98
  6. Step 6: Final answer
    x = 42,720.06

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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.