Home / 55,831.84-77,045.16-30,682.24

Finding the Fourth Proportional to 55,831.84, 77,045.16 and 30,682.24

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Solution

The fourth proportional to 55,831.84, 77,045.16 and 30,682.24 is: 42,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.84 : 77,045.16 = 30,682.24 : x
  2. Step 2: Convert to fraction form
    55,831.84/77,045.16 = 30,682.24/x
  3. Step 3: Cross multiply
    55,831.84x = 77,045.16 × 30,682.24
  4. Step 4: Simplify right side
    55,831.84x = 2,363,918,089.96
  5. Step 5: Solve for x
    x = 2,363,918,089.96/55,831.84
  6. Step 6: Final answer
    x = 42,339.96

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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.