Home / 55,962.07-77,228.18-30,812.47

Finding the Fourth Proportional to 55,962.07, 77,228.18 and 30,812.47

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Solution

The fourth proportional to 55,962.07, 77,228.18 and 30,812.47 is: 42,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.07 : 77,228.18 = 30,812.47 : x
  2. Step 2: Convert to fraction form
    55,962.07/77,228.18 = 30,812.47/x
  3. Step 3: Cross multiply
    55,962.07x = 77,228.18 × 30,812.47
  4. Step 4: Simplify right side
    55,962.07x = 2,379,590,825.34
  5. Step 5: Solve for x
    x = 2,379,590,825.34/55,962.07
  6. Step 6: Final answer
    x = 42,521.49

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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.