Home / 39,130.95-53,988.24-22,133.10

Finding the Fourth Proportional to 39,130.95, 53,988.24 and 22,133.10

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Solution

The fourth proportional to 39,130.95, 53,988.24 and 22,133.10 is: 30,536.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,130.95 : 53,988.24 = 22,133.10 : x
  2. Step 2: Convert to fraction form
    39,130.95/53,988.24 = 22,133.10/x
  3. Step 3: Cross multiply
    39,130.95x = 53,988.24 × 22,133.10
  4. Step 4: Simplify right side
    39,130.95x = 1,194,927,114.74
  5. Step 5: Solve for x
    x = 1,194,927,114.74/39,130.95
  6. Step 6: Final answer
    x = 30,536.62

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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.