Home / 39,303.19-54,239.56-22,307.06

Finding the Fourth Proportional to 39,303.19, 54,239.56 and 22,307.06

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Solution

The fourth proportional to 39,303.19, 54,239.56 and 22,307.06 is: 30,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,303.19 : 54,239.56 = 22,307.06 : x
  2. Step 2: Convert to fraction form
    39,303.19/54,239.56 = 22,307.06/x
  3. Step 3: Cross multiply
    39,303.19x = 54,239.56 × 22,307.06
  4. Step 4: Simplify right side
    39,303.19x = 1,209,925,119.29
  5. Step 5: Solve for x
    x = 1,209,925,119.29/39,303.19
  6. Step 6: Final answer
    x = 30,784.40

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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.