Home / 55,914.71-83,869.29-20,851.63

Finding the Fourth Proportional to 55,914.71, 83,869.29 and 20,851.63

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Solution

The fourth proportional to 55,914.71, 83,869.29 and 20,851.63 is: 31,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,914.71 : 83,869.29 = 20,851.63 : x
  2. Step 2: Convert to fraction form
    55,914.71/83,869.29 = 20,851.63/x
  3. Step 3: Cross multiply
    55,914.71x = 83,869.29 × 20,851.63
  4. Step 4: Simplify right side
    55,914.71x = 1,748,811,193.77
  5. Step 5: Solve for x
    x = 1,748,811,193.77/55,914.71
  6. Step 6: Final answer
    x = 31,276.41

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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.