Home / 58,064.16-87,095.92-21,128.16

Finding the Fourth Proportional to 58,064.16, 87,095.92 and 21,128.16

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Solution

The fourth proportional to 58,064.16, 87,095.92 and 21,128.16 is: 31,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,064.16 : 87,095.92 = 21,128.16 : x
  2. Step 2: Convert to fraction form
    58,064.16/87,095.92 = 21,128.16/x
  3. Step 3: Cross multiply
    58,064.16x = 87,095.92 × 21,128.16
  4. Step 4: Simplify right side
    58,064.16x = 1,840,176,533.11
  5. Step 5: Solve for x
    x = 1,840,176,533.11/58,064.16
  6. Step 6: Final answer
    x = 31,692.12

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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.