Home / 33,085.32-45,653.40-20,345.10

Finding the Fourth Proportional to 33,085.32, 45,653.40 and 20,345.10

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Solution

The fourth proportional to 33,085.32, 45,653.40 and 20,345.10 is: 28,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,085.32 : 45,653.40 = 20,345.10 : x
  2. Step 2: Convert to fraction form
    33,085.32/45,653.40 = 20,345.10/x
  3. Step 3: Cross multiply
    33,085.32x = 45,653.40 × 20,345.10
  4. Step 4: Simplify right side
    33,085.32x = 928,822,988.34
  5. Step 5: Solve for x
    x = 928,822,988.34/33,085.32
  6. Step 6: Final answer
    x = 28,073.57

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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.