Home / 47,018.76-70,434.99-28,303.71

Finding the Fourth Proportional to 47,018.76, 70,434.99 and 28,303.71

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Solution

The fourth proportional to 47,018.76, 70,434.99 and 28,303.71 is: 42,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,018.76 : 70,434.99 = 28,303.71 : x
  2. Step 2: Convert to fraction form
    47,018.76/70,434.99 = 28,303.71/x
  3. Step 3: Cross multiply
    47,018.76x = 70,434.99 × 28,303.71
  4. Step 4: Simplify right side
    47,018.76x = 1,993,571,530.81
  5. Step 5: Solve for x
    x = 1,993,571,530.81/47,018.76
  6. Step 6: Final answer
    x = 42,399.49

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1.5x scale

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.