Home / 57,130.36-78,846.94-34,482.36

Finding the Fourth Proportional to 57,130.36, 78,846.94 and 34,482.36

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Solution

The fourth proportional to 57,130.36, 78,846.94 and 34,482.36 is: 47,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,130.36 : 78,846.94 = 34,482.36 : x
  2. Step 2: Convert to fraction form
    57,130.36/78,846.94 = 34,482.36/x
  3. Step 3: Cross multiply
    57,130.36x = 78,846.94 × 34,482.36
  4. Step 4: Simplify right side
    57,130.36x = 2,718,828,569.98
  5. Step 5: Solve for x
    x = 2,718,828,569.98/57,130.36
  6. Step 6: Final answer
    x = 47,589.91

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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.