Home / 37,670.86-51,985.23-21,538.00

Finding the Fourth Proportional to 37,670.86, 51,985.23 and 21,538.00

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Solution

The fourth proportional to 37,670.86, 51,985.23 and 21,538.00 is: 29,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.86 : 51,985.23 = 21,538.00 : x
  2. Step 2: Convert to fraction form
    37,670.86/51,985.23 = 21,538.00/x
  3. Step 3: Cross multiply
    37,670.86x = 51,985.23 × 21,538.00
  4. Step 4: Simplify right side
    37,670.86x = 1,119,657,623.81
  5. Step 5: Solve for x
    x = 1,119,657,623.81/37,670.86
  6. Step 6: Final answer
    x = 29,722.12

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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.