Home / 56,530.38-78,011.60-31,037.19

Finding the Fourth Proportional to 56,530.38, 78,011.60 and 31,037.19

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Solution

The fourth proportional to 56,530.38, 78,011.60 and 31,037.19 is: 42,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,530.38 : 78,011.60 = 31,037.19 : x
  2. Step 2: Convert to fraction form
    56,530.38/78,011.60 = 31,037.19/x
  3. Step 3: Cross multiply
    56,530.38x = 78,011.60 × 31,037.19
  4. Step 4: Simplify right side
    56,530.38x = 2,421,260,851.40
  5. Step 5: Solve for x
    x = 2,421,260,851.40/56,530.38
  6. Step 6: Final answer
    x = 42,831.14

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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.