Home / 46,715.12-69,938.40-43,434.80

Finding the Fourth Proportional to 46,715.12, 69,938.40 and 43,434.80

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Solution

The fourth proportional to 46,715.12, 69,938.40 and 43,434.80 is: 65,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,715.12 : 69,938.40 = 43,434.80 : x
  2. Step 2: Convert to fraction form
    46,715.12/69,938.40 = 43,434.80/x
  3. Step 3: Cross multiply
    46,715.12x = 69,938.40 × 43,434.80
  4. Step 4: Simplify right side
    46,715.12x = 3,037,760,416.32
  5. Step 5: Solve for x
    x = 3,037,760,416.32/46,715.12
  6. Step 6: Final answer
    x = 65,027.35

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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.