Home / 42,858.18-59,137.26-26,931.36

Finding the Fourth Proportional to 42,858.18, 59,137.26 and 26,931.36

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Solution

The fourth proportional to 42,858.18, 59,137.26 and 26,931.36 is: 37,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.18 : 59,137.26 = 26,931.36 : x
  2. Step 2: Convert to fraction form
    42,858.18/59,137.26 = 26,931.36/x
  3. Step 3: Cross multiply
    42,858.18x = 59,137.26 × 26,931.36
  4. Step 4: Simplify right side
    42,858.18x = 1,592,646,838.47
  5. Step 5: Solve for x
    x = 1,592,646,838.47/42,858.18
  6. Step 6: Final answer
    x = 37,160.86

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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.