Home / 56,576.14-78,075.11-31,084.15

Finding the Fourth Proportional to 56,576.14, 78,075.11 and 31,084.15

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Solution

The fourth proportional to 56,576.14, 78,075.11 and 31,084.15 is: 42,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.14 : 78,075.11 = 31,084.15 : x
  2. Step 2: Convert to fraction form
    56,576.14/78,075.11 = 31,084.15/x
  3. Step 3: Cross multiply
    56,576.14x = 78,075.11 × 31,084.15
  4. Step 4: Simplify right side
    56,576.14x = 2,426,898,430.51
  5. Step 5: Solve for x
    x = 2,426,898,430.51/56,576.14
  6. Step 6: Final answer
    x = 42,896.15

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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.