Home / 39,574.47-59,378.86-21,783.39

Finding the Fourth Proportional to 39,574.47, 59,378.86 and 21,783.39

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Solution

The fourth proportional to 39,574.47, 59,378.86 and 21,783.39 is: 32,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.47 : 59,378.86 = 21,783.39 : x
  2. Step 2: Convert to fraction form
    39,574.47/59,378.86 = 21,783.39/x
  3. Step 3: Cross multiply
    39,574.47x = 59,378.86 × 21,783.39
  4. Step 4: Simplify right side
    39,574.47x = 1,293,472,865.14
  5. Step 5: Solve for x
    x = 1,293,472,865.14/39,574.47
  6. Step 6: Final answer
    x = 32,684.53

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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.