Home / 58,518.90-87,757.58-21,068.91

Finding the Fourth Proportional to 58,518.90, 87,757.58 and 21,068.91

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Solution

The fourth proportional to 58,518.90, 87,757.58 and 21,068.91 is: 31,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,518.90 : 87,757.58 = 21,068.91 : x
  2. Step 2: Convert to fraction form
    58,518.90/87,757.58 = 21,068.91/x
  3. Step 3: Cross multiply
    58,518.90x = 87,757.58 × 21,068.91
  4. Step 4: Simplify right side
    58,518.90x = 1,848,956,607.51
  5. Step 5: Solve for x
    x = 1,848,956,607.51/58,518.90
  6. Step 6: Final answer
    x = 31,595.89

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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.