Home / 46,190.72-69,271.50-19,888.40

Finding the Fourth Proportional to 46,190.72, 69,271.50 and 19,888.40

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Solution

The fourth proportional to 46,190.72, 69,271.50 and 19,888.40 is: 29,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,190.72 : 69,271.50 = 19,888.40 : x
  2. Step 2: Convert to fraction form
    46,190.72/69,271.50 = 19,888.40/x
  3. Step 3: Cross multiply
    46,190.72x = 69,271.50 × 19,888.40
  4. Step 4: Simplify right side
    46,190.72x = 1,377,699,300.60
  5. Step 5: Solve for x
    x = 1,377,699,300.60/46,190.72
  6. Step 6: Final answer
    x = 29,826.32

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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.