Home / 39,573.68-59,374.58-13,278.40

Finding the Fourth Proportional to 39,573.68, 59,374.58 and 13,278.40

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Solution

The fourth proportional to 39,573.68, 59,374.58 and 13,278.40 is: 19,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.68 : 59,374.58 = 13,278.40 : x
  2. Step 2: Convert to fraction form
    39,573.68/59,374.58 = 13,278.40/x
  3. Step 3: Cross multiply
    39,573.68x = 59,374.58 × 13,278.40
  4. Step 4: Simplify right side
    39,573.68x = 788,399,423.07
  5. Step 5: Solve for x
    x = 788,399,423.07/39,573.68
  6. Step 6: Final answer
    x = 19,922.32

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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.