Home / 39,075.50-53,925.30-22,080.47

Finding the Fourth Proportional to 39,075.50, 53,925.30 and 22,080.47

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Solution

The fourth proportional to 39,075.50, 53,925.30 and 22,080.47 is: 30,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,075.50 : 53,925.30 = 22,080.47 : x
  2. Step 2: Convert to fraction form
    39,075.50/53,925.30 = 22,080.47/x
  3. Step 3: Cross multiply
    39,075.50x = 53,925.30 × 22,080.47
  4. Step 4: Simplify right side
    39,075.50x = 1,190,695,588.86
  5. Step 5: Solve for x
    x = 1,190,695,588.86/39,075.50
  6. Step 6: Final answer
    x = 30,471.67

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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.