Home / 55,901.84-77,142.96-30,751.34

Finding the Fourth Proportional to 55,901.84, 77,142.96 and 30,751.34

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Solution

The fourth proportional to 55,901.84, 77,142.96 and 30,751.34 is: 42,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.84 : 77,142.96 = 30,751.34 : x
  2. Step 2: Convert to fraction form
    55,901.84/77,142.96 = 30,751.34/x
  3. Step 3: Cross multiply
    55,901.84x = 77,142.96 × 30,751.34
  4. Step 4: Simplify right side
    55,901.84x = 2,372,249,391.57
  5. Step 5: Solve for x
    x = 2,372,249,391.57/55,901.84
  6. Step 6: Final answer
    x = 42,435.98

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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.