Home / 51,052.31-70,458.47-30,916.19

Finding the Fourth Proportional to 51,052.31, 70,458.47 and 30,916.19

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Solution

The fourth proportional to 51,052.31, 70,458.47 and 30,916.19 is: 42,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.31 : 70,458.47 = 30,916.19 : x
  2. Step 2: Convert to fraction form
    51,052.31/70,458.47 = 30,916.19/x
  3. Step 3: Cross multiply
    51,052.31x = 70,458.47 × 30,916.19
  4. Step 4: Simplify right side
    51,052.31x = 2,178,307,445.63
  5. Step 5: Solve for x
    x = 2,178,307,445.63/51,052.31
  6. Step 6: Final answer
    x = 42,668.15

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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.