Home / 46,931.16-70,342.74-20,605.08

Finding the Fourth Proportional to 46,931.16, 70,342.74 and 20,605.08

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Solution

The fourth proportional to 46,931.16, 70,342.74 and 20,605.08 is: 30,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,931.16 : 70,342.74 = 20,605.08 : x
  2. Step 2: Convert to fraction form
    46,931.16/70,342.74 = 20,605.08/x
  3. Step 3: Cross multiply
    46,931.16x = 70,342.74 × 20,605.08
  4. Step 4: Simplify right side
    46,931.16x = 1,449,417,785.12
  5. Step 5: Solve for x
    x = 1,449,417,785.12/46,931.16
  6. Step 6: Final answer
    x = 30,883.91

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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.