Home / 58,547.95-87,811.93-21,100.57

Finding the Fourth Proportional to 58,547.95, 87,811.93 and 21,100.57

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Solution

The fourth proportional to 58,547.95, 87,811.93 and 21,100.57 is: 31,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,547.95 : 87,811.93 = 21,100.57 : x
  2. Step 2: Convert to fraction form
    58,547.95/87,811.93 = 21,100.57/x
  3. Step 3: Cross multiply
    58,547.95x = 87,811.93 × 21,100.57
  4. Step 4: Simplify right side
    58,547.95x = 1,852,881,582.65
  5. Step 5: Solve for x
    x = 1,852,881,582.65/58,547.95
  6. Step 6: Final answer
    x = 31,647.25

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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.