Home / 39,055.50-58,574.09-10,978.23

Finding the Fourth Proportional to 39,055.50, 58,574.09 and 10,978.23

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Solution

The fourth proportional to 39,055.50, 58,574.09 and 10,978.23 is: 16,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.50 : 58,574.09 = 10,978.23 : x
  2. Step 2: Convert to fraction form
    39,055.50/58,574.09 = 10,978.23/x
  3. Step 3: Cross multiply
    39,055.50x = 58,574.09 × 10,978.23
  4. Step 4: Simplify right side
    39,055.50x = 643,039,777.17
  5. Step 5: Solve for x
    x = 643,039,777.17/39,055.50
  6. Step 6: Final answer
    x = 16,464.77

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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.