Home / 51,038.78-70,442.21-32,884.38

Finding the Fourth Proportional to 51,038.78, 70,442.21 and 32,884.38

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Solution

The fourth proportional to 51,038.78, 70,442.21 and 32,884.38 is: 45,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,038.78 : 70,442.21 = 32,884.38 : x
  2. Step 2: Convert to fraction form
    51,038.78/70,442.21 = 32,884.38/x
  3. Step 3: Cross multiply
    51,038.78x = 70,442.21 × 32,884.38
  4. Step 4: Simplify right side
    51,038.78x = 2,316,448,483.89
  5. Step 5: Solve for x
    x = 2,316,448,483.89/51,038.78
  6. Step 6: Final answer
    x = 45,386.05

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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.