Home / 51,743.09-77,594.58-20,148.63

Finding the Fourth Proportional to 51,743.09, 77,594.58 and 20,148.63

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Solution

The fourth proportional to 51,743.09, 77,594.58 and 20,148.63 is: 30,215.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.09 : 77,594.58 = 20,148.63 : x
  2. Step 2: Convert to fraction form
    51,743.09/77,594.58 = 20,148.63/x
  3. Step 3: Cross multiply
    51,743.09x = 77,594.58 × 20,148.63
  4. Step 4: Simplify right side
    51,743.09x = 1,563,424,482.43
  5. Step 5: Solve for x
    x = 1,563,424,482.43/51,743.09
  6. Step 6: Final answer
    x = 30,215.14

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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.