Home / 51,478.29-77,210.13-19,903.23

Finding the Fourth Proportional to 51,478.29, 77,210.13 and 19,903.23

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Solution

The fourth proportional to 51,478.29, 77,210.13 and 19,903.23 is: 29,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,478.29 : 77,210.13 = 19,903.23 : x
  2. Step 2: Convert to fraction form
    51,478.29/77,210.13 = 19,903.23/x
  3. Step 3: Cross multiply
    51,478.29x = 77,210.13 × 19,903.23
  4. Step 4: Simplify right side
    51,478.29x = 1,536,730,975.72
  5. Step 5: Solve for x
    x = 1,536,730,975.72/51,478.29
  6. Step 6: Final answer
    x = 29,852.02

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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.