Home / 55,915.28-77,133.36-42,464.24

Finding the Fourth Proportional to 55,915.28, 77,133.36 and 42,464.24

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Solution

The fourth proportional to 55,915.28, 77,133.36 and 42,464.24 is: 58,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,915.28 : 77,133.36 = 42,464.24 : x
  2. Step 2: Convert to fraction form
    55,915.28/77,133.36 = 42,464.24/x
  3. Step 3: Cross multiply
    55,915.28x = 77,133.36 × 42,464.24
  4. Step 4: Simplify right side
    55,915.28x = 3,275,409,511.05
  5. Step 5: Solve for x
    x = 3,275,409,511.05/55,915.28
  6. Step 6: Final answer
    x = 58,578.08

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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.