Home / 39,030.40-53,860.80-22,035.25

Finding the Fourth Proportional to 39,030.40, 53,860.80 and 22,035.25

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Solution

The fourth proportional to 39,030.40, 53,860.80 and 22,035.25 is: 30,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,030.40 : 53,860.80 = 22,035.25 : x
  2. Step 2: Convert to fraction form
    39,030.40/53,860.80 = 22,035.25/x
  3. Step 3: Cross multiply
    39,030.40x = 53,860.80 × 22,035.25
  4. Step 4: Simplify right side
    39,030.40x = 1,186,836,193.20
  5. Step 5: Solve for x
    x = 1,186,836,193.20/39,030.40
  6. Step 6: Final answer
    x = 30,407.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.