Home / 39,431.23-59,111.64-14,465.43

Finding the Fourth Proportional to 39,431.23, 59,111.64 and 14,465.43

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Solution

The fourth proportional to 39,431.23, 59,111.64 and 14,465.43 is: 21,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,431.23 : 59,111.64 = 14,465.43 : x
  2. Step 2: Convert to fraction form
    39,431.23/59,111.64 = 14,465.43/x
  3. Step 3: Cross multiply
    39,431.23x = 59,111.64 × 14,465.43
  4. Step 4: Simplify right side
    39,431.23x = 855,075,290.61
  5. Step 5: Solve for x
    x = 855,075,290.61/39,431.23
  6. Step 6: Final answer
    x = 21,685.23

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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.