Home / 37,461.51-56,213.91-20,820.15

Finding the Fourth Proportional to 37,461.51, 56,213.91 and 20,820.15

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Solution

The fourth proportional to 37,461.51, 56,213.91 and 20,820.15 is: 31,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,461.51 : 56,213.91 = 20,820.15 : x
  2. Step 2: Convert to fraction form
    37,461.51/56,213.91 = 20,820.15/x
  3. Step 3: Cross multiply
    37,461.51x = 56,213.91 × 20,820.15
  4. Step 4: Simplify right side
    37,461.51x = 1,170,382,038.29
  5. Step 5: Solve for x
    x = 1,170,382,038.29/37,461.51
  6. Step 6: Final answer
    x = 31,242.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.