Home / 56,810.14-78,394.47-31,315.19

Finding the Fourth Proportional to 56,810.14, 78,394.47 and 31,315.19

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Solution

The fourth proportional to 56,810.14, 78,394.47 and 31,315.19 is: 43,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810.14 : 78,394.47 = 31,315.19 : x
  2. Step 2: Convert to fraction form
    56,810.14/78,394.47 = 31,315.19/x
  3. Step 3: Cross multiply
    56,810.14x = 78,394.47 × 31,315.19
  4. Step 4: Simplify right side
    56,810.14x = 2,454,937,174.45
  5. Step 5: Solve for x
    x = 2,454,937,174.45/56,810.14
  6. Step 6: Final answer
    x = 43,213.01

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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.