Home / 39,455.88-59,148.65-14,490.20

Finding the Fourth Proportional to 39,455.88, 59,148.65 and 14,490.20

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Solution

The fourth proportional to 39,455.88, 59,148.65 and 14,490.20 is: 21,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.88 : 59,148.65 = 14,490.20 : x
  2. Step 2: Convert to fraction form
    39,455.88/59,148.65 = 14,490.20/x
  3. Step 3: Cross multiply
    39,455.88x = 59,148.65 × 14,490.20
  4. Step 4: Simplify right side
    39,455.88x = 857,075,400.04
  5. Step 5: Solve for x
    x = 857,075,400.04/39,455.88
  6. Step 6: Final answer
    x = 21,722.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.