Home / 58,421.64-87,623.82-21,477

Finding the Fourth Proportional to 58,421.64, 87,623.82 and 21,477

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Solution

The fourth proportional to 58,421.64, 87,623.82 and 21,477 is: 32,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.64 : 87,623.82 = 21,477 : x
  2. Step 2: Convert to fraction form
    58,421.64/87,623.82 = 21,477/x
  3. Step 3: Cross multiply
    58,421.64x = 87,623.82 × 21,477
  4. Step 4: Simplify right side
    58,421.64x = 1,881,896,782.14
  5. Step 5: Solve for x
    x = 1,881,896,782.14/58,421.64
  6. Step 6: Final answer
    x = 32,212.32

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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.