Home / 51,866.63-77,810.16-18,577.76

Finding the Fourth Proportional to 51,866.63, 77,810.16 and 18,577.76

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Solution

The fourth proportional to 51,866.63, 77,810.16 and 18,577.76 is: 27,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.63 : 77,810.16 = 18,577.76 : x
  2. Step 2: Convert to fraction form
    51,866.63/77,810.16 = 18,577.76/x
  3. Step 3: Cross multiply
    51,866.63x = 77,810.16 × 18,577.76
  4. Step 4: Simplify right side
    51,866.63x = 1,445,538,088.99
  5. Step 5: Solve for x
    x = 1,445,538,088.99/51,866.63
  6. Step 6: Final answer
    x = 27,870.29

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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.