Home / 37,802.39-52,170.53-20,810.00

Finding the Fourth Proportional to 37,802.39, 52,170.53 and 20,810.00

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Solution

The fourth proportional to 37,802.39, 52,170.53 and 20,810.00 is: 28,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,802.39 : 52,170.53 = 20,810.00 : x
  2. Step 2: Convert to fraction form
    37,802.39/52,170.53 = 20,810.00/x
  3. Step 3: Cross multiply
    37,802.39x = 52,170.53 × 20,810.00
  4. Step 4: Simplify right side
    37,802.39x = 1,085,668,364.40
  5. Step 5: Solve for x
    x = 1,085,668,364.40/37,802.39
  6. Step 6: Final answer
    x = 28,719.57

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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.