Home / 42,030.78-58,000.10-25,054.20

Finding the Fourth Proportional to 42,030.78, 58,000.10 and 25,054.20

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Solution

The fourth proportional to 42,030.78, 58,000.10 and 25,054.20 is: 34,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,030.78 : 58,000.10 = 25,054.20 : x
  2. Step 2: Convert to fraction form
    42,030.78/58,000.10 = 25,054.20/x
  3. Step 3: Cross multiply
    42,030.78x = 58,000.10 × 25,054.20
  4. Step 4: Simplify right side
    42,030.78x = 1,453,145,980.15
  5. Step 5: Solve for x
    x = 1,453,145,980.15/42,030.78
  6. Step 6: Final answer
    x = 34,573.38

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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.