Home / 46,890.50-64,709.69-28,985.04

Finding the Fourth Proportional to 46,890.50, 64,709.69 and 28,985.04

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Solution

The fourth proportional to 46,890.50, 64,709.69 and 28,985.04 is: 39,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,890.50 : 64,709.69 = 28,985.04 : x
  2. Step 2: Convert to fraction form
    46,890.50/64,709.69 = 28,985.04/x
  3. Step 3: Cross multiply
    46,890.50x = 64,709.69 × 28,985.04
  4. Step 4: Simplify right side
    46,890.50x = 1,875,612,808.11
  5. Step 5: Solve for x
    x = 1,875,612,808.11/46,890.50
  6. Step 6: Final answer
    x = 39,999.85

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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.