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Finding the Fourth Proportional to 37,903.98, 56,895.93 and 21,278.10

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Solution

The fourth proportional to 37,903.98, 56,895.93 and 21,278.10 is: 31,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,903.98 : 56,895.93 = 21,278.10 : x
  2. Step 2: Convert to fraction form
    37,903.98/56,895.93 = 21,278.10/x
  3. Step 3: Cross multiply
    37,903.98x = 56,895.93 × 21,278.10
  4. Step 4: Simplify right side
    37,903.98x = 1,210,637,288.13
  5. Step 5: Solve for x
    x = 1,210,637,288.13/37,903.98
  6. Step 6: Final answer
    x = 31,939.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.