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Finding the Fourth Proportional to 42,038.94, 57,980.91 and 26,933.00

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Solution

The fourth proportional to 42,038.94, 57,980.91 and 26,933.00 is: 37,146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.94 : 57,980.91 = 26,933.00 : x
  2. Step 2: Convert to fraction form
    42,038.94/57,980.91 = 26,933.00/x
  3. Step 3: Cross multiply
    42,038.94x = 57,980.91 × 26,933.00
  4. Step 4: Simplify right side
    42,038.94x = 1,561,599,559.13
  5. Step 5: Solve for x
    x = 1,561,599,559.13/42,038.94
  6. Step 6: Final answer
    x = 37,146.50

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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.