Home / 46,835.12-64,638.36-30,715.98

Finding the Fourth Proportional to 46,835.12, 64,638.36 and 30,715.98

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Solution

The fourth proportional to 46,835.12, 64,638.36 and 30,715.98 is: 42,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,835.12 : 64,638.36 = 30,715.98 : x
  2. Step 2: Convert to fraction form
    46,835.12/64,638.36 = 30,715.98/x
  3. Step 3: Cross multiply
    46,835.12x = 64,638.36 × 30,715.98
  4. Step 4: Simplify right side
    46,835.12x = 1,985,430,572.99
  5. Step 5: Solve for x
    x = 1,985,430,572.99/46,835.12
  6. Step 6: Final answer
    x = 42,391.92

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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.