Home / 34,038.90-46,970.10-18,929.12

Finding the Fourth Proportional to 34,038.90, 46,970.10 and 18,929.12

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Solution

The fourth proportional to 34,038.90, 46,970.10 and 18,929.12 is: 26,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,038.90 : 46,970.10 = 18,929.12 : x
  2. Step 2: Convert to fraction form
    34,038.90/46,970.10 = 18,929.12/x
  3. Step 3: Cross multiply
    34,038.90x = 46,970.10 × 18,929.12
  4. Step 4: Simplify right side
    34,038.90x = 889,102,424.46
  5. Step 5: Solve for x
    x = 889,102,424.46/34,038.90
  6. Step 6: Final answer
    x = 26,120.19

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1.5x scale

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.